<template>
  <el-card>
    <div class="" slot="header"><span>账号列表</span></div>
    <el-table
      ref="tableRef"
      :data="tableData"
      style="width: 100%"
      @selection-change="handleSelectionChange"
    >
      <!-- 多选 -->
      <el-table-column type="selection" width="55"></el-table-column>
      <!-- 账号 -->
      <el-table-column prop="account" label="姓名"></el-table-column>
      <!-- 用户组 -->
      <el-table-column prop="userGroup" label="用户组"></el-table-column>
      <!-- 日期 -->
      <el-table-column label="日期">
        <template slot-scope="scope">
          {{ scope.row.ctime | formatYMD }}
        </template>
      </el-table-column>
      <!-- 操作 -->
      <el-table-column width="160" label="操作">
        <template slot-scope="scope">
          <el-button
            style="margin-right: 10px"
            size="mini"
            @click="handleEdit(scope.row)"
          >
            编辑
          </el-button>
          <template>
            <el-popconfirm
              title="这是一段内容确定删除吗？"
              @confirm="handleDelete(scope.row)"
            >
              <el-button size="mini" type="danger" slot="reference">
                删除
              </el-button>
            </el-popconfirm>
          </template>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      class="mt20"
      background
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="currentPage"
      :page-sizes="[3, 5]"
      :page-size="pageSize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
    ></el-pagination>

    <!-- 操作 -->
    <div class="mt20">
      <el-button @click="handelAllDel" type="danger">批量删除</el-button>
      <el-button @click="cancelChange" type="primary">取消选择</el-button>
    </div>

    <!-- 编辑 -->
    <el-dialog title="编辑用户" :visible.sync="dialogFormVisible">
      <el-form class="form" size="small" label-width="80px" :model="formData">
        <el-form-item label="用户名">
          <el-input v-model="formData.account" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="用户组">
          <el-select v-model="formData.userGroup" placeholder="请选择用户组">
            <el-option label="超级管理员" value="超级管理员"></el-option>
            <el-option label="普通用户" value="普通用户"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click="dialogFormVisible">取 消</el-button>
        <el-button size="small" type="primary" @click="handelConfirm">
          确 定
        </el-button>
      </div>
    </el-dialog>
  </el-card>
</template>

<script>
//解构接口
import {
  addUserListReq,
  delUserListReq,
  editUserReq,
  delUserBatchdelReq,
} from '@/api/user'

export default {
  data() {
    return {
      //表格数据
      tableData: [],
      //多选数据
      ids: [],
      //分页数据
      currentPage: 1,
      pageSize: 3,
      total: 0,
      dialogFormVisible: false,
      formData: {
        id: '',
        account: '',
        userGroup: '',
      },
    }
  },
  //方法
  methods: {
    //获取数据函数
    async getData() {
      //提取数据
      let currentPage = this.currentPage
      let pageSize = this.pageSize
      //发送请求
      let res = await addUserListReq({
        currentPage,
        pageSize,
      })
      //解构数据
      let {data, total} = res.data
      //数据赋值
      this.total = total
      this.tableData = data

      //   判断
      if (data.length === 0 && this.currentPage !== 1) {
        this.currentPage--
        this.getData()
      }
    },
    // checkbox
    handleSelectionChange(val) {
      //   this.multipleSelection = val
      let ids = val.map(v => v.id)
      this.ids = ids
    },
    // 批量删除
    handelAllDel() {
      this.$confirm('此操作将永久删除选中用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(async () => {
          console.log('66', 66)
          //   发请求
          let res = await delUserBatchdelReq({ids: this.ids})
          let {code, msg} = res.data
          if (code === 0) {
            // 拉数据
            this.getData()
            this.$message.success(msg)
          }
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除',
          })
        })
    },
    // 取消选择
    cancelChange() {
      if (this.ids.length) {
        this.$refs.tableRef.clearSelection()
        this.$message.info('取消成功')
      }
    },
    // 编辑
    async handleEdit(row) {
      this.dialogFormVisible = true
      this.formData = {...row}
    },
    // 确定
    async handelConfirm() {
      let res = await editUserReq(this.formData)
      let {code, msg} = res.data
      if (code === 0) {
        this.dialogFormVisible = false
        // 拉数据
        this.getData()
      }
    },
    async handleDelete(row) {
      //   console.log('row', row)
      let {id} = row
      let res = await delUserListReq({id})
      let {code, msg} = res.data
      if (code === 0) {
        this.getData()
      }
    },
    //改变页码
    handleSizeChange(val) {
      this.pageSize = val
      this.getData()
    },
    //改变当前页
    handleCurrentChange(val) {
      this.currentPage = val
      this.getData()
    },
  },
  //created
  created() {
    this.getData()
  },
}
</script>

<style lang="scss" scoped>
.form {
  width: 286px;
}
</style>
